Evolutionary BiologySinauer Associates, 1986 - 600 pagine Covers the genetic, developmental, and ecological mechanisms of evolutionary change, the major features of evolutionary history as revealed by phylogenetic and paleontological studies, and material on adaptation, molecular evolution, co-evolution, and human evolution. |
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Pagina 29
... host individual may yield an enormous number of parasite offspring . Thus the intrinsic rate of natural increase of a parasite is often many times greater than that of its host . For many parasites , dispersal to new hosts is fraught ...
... host individual may yield an enormous number of parasite offspring . Thus the intrinsic rate of natural increase of a parasite is often many times greater than that of its host . For many parasites , dispersal to new hosts is fraught ...
Pagina 228
... host is common . Askew ( 1968 ) has suggested that the high species diversity in this group may have been facilitated by this mating system . However , repro- ductive isolation between closely related species is usually attributable to ...
... host is common . Askew ( 1968 ) has suggested that the high species diversity in this group may have been facilitated by this mating system . However , repro- ductive isolation between closely related species is usually attributable to ...
Pagina 229
... host 1 ) and aabb ( adapted to and mating only on host 2 ) . Allele b will indeed increase in frequency if it is in linkage disequilibrium with a ; the ab combination will be favored because aabb insects mate and lay eggs on the host on ...
... host 1 ) and aabb ( adapted to and mating only on host 2 ) . Allele b will indeed increase in frequency if it is in linkage disequilibrium with a ; the ab combination will be favored because aabb insects mate and lay eggs on the host on ...
Sommario
CONCEPTIONS AND MISCONCEPTIONS | 7 |
EVOLUTION SINCE THE SYNTHESIS | 13 |
ADAPTATION AND ENVIRONMENT | 19 |
Copyright | |
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adaptive adaptive radiation allele frequency allozyme Amer amino acid ancestor animals average behavior biological birds bristle number caused cells Chapter characters chromosome cladistic coefficient coevolution competition copies correlated deleterious developmental differentiation distribution divergence Dobzhansky Drosophila melanogaster ecological effect environment environmental enzyme equilibrium evidence evolutionary change evolved example extinction rate factors favor females Figure fitness fossil record function Futuyma gametes gene conversion gene flow gene frequencies genetic drift genetic variation genome genotypes geographic groups habitats heritability heterozygotes heterozygous higher taxa homozygotes homozygous host human hybrid inbreeding increase individual insects interactions Lewontin linkage disequilibrium loci locus males mammals mating mechanisms molecular morphological mutation natural selection nucleotide occur offspring organisms pairs parasites pattern phenotype phylogenetic phylogeny plants polymorphism predators prey proteins pseudogenes random recombination relative reproductive isolation sequence sexual similar speciation structure survival sympatric taxon theory tion trait transposable elements variable variance